All of us already performed swelling tests to our electrospun meshes but there are someone that evaluated the influence of fiber swelling in the porosity? Several months ago I found a paper about this issue, however i cannot find it again. Someone is familiarized with this topic?
The speculation is that As the fiber swells, the pore size as we know, reduces but there is a simultaneous increase in the gap between the layers. So the volumetric porosity may not reduce as much as expected.
Papers addressing breathability of electrospun membrane study the influence of swelling of the fibers.
You can probably try freeze drying a swollen sample and compare it with a sectioned reference sample. If it is a hydrogel based material then, the difference must be noticable.
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